What is the Bluetooth version and operating range of these earphones?
The Solix Sx TWS9 Pinnacle uses Bluetooth version 5.3 with a frequency range of 2402-2480 MHz and an operation range of 10 meters. The maximum transmitted power is 4 dBm.
From the official Solix Sx Tws9 Pinnacle True Wireless Earphones manual, page 3
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